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| author | Nicolas Lœuillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
|---|---|---|
| committer | Nicolas Lœuillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
| commit | 99679d06884120c57f43b44e55e03595f1f87bed (patch) | |
| tree | a3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php | |
| parent | 655214ab30ee84884dc408488b85586f36263fcb (diff) | |
| parent | d3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff) | |
| download | wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.gz wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.zst wallabag-99679d06884120c57f43b44e55e03595f1f87bed.zip | |
Merge pull request #481 from wallabag/dev1.5.2
1.5.2
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php')
| -rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php new file mode 100644 index 00000000..5ad536d5 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/Context.php | |||
| @@ -0,0 +1,95 @@ | |||
| 1 | <?php | ||
| 2 | |||
| 3 | /** | ||
| 4 | * Registry object that contains information about the current context. | ||
| 5 | * @warning Is a bit buggy when variables are set to null: it thinks | ||
| 6 | * they don't exist! So use false instead, please. | ||
| 7 | * @note Since the variables Context deals with may not be objects, | ||
| 8 | * references are very important here! Do not remove! | ||
| 9 | */ | ||
| 10 | class HTMLPurifier_Context | ||
| 11 | { | ||
| 12 | |||
| 13 | /** | ||
| 14 | * Private array that stores the references. | ||
| 15 | * @type array | ||
| 16 | */ | ||
| 17 | private $_storage = array(); | ||
| 18 | |||
| 19 | /** | ||
| 20 | * Registers a variable into the context. | ||
| 21 | * @param string $name String name | ||
| 22 | * @param mixed $ref Reference to variable to be registered | ||
| 23 | */ | ||
| 24 | public function register($name, &$ref) | ||
| 25 | { | ||
| 26 | if (array_key_exists($name, $this->_storage)) { | ||
| 27 | trigger_error( | ||
| 28 | "Name $name produces collision, cannot re-register", | ||
| 29 | E_USER_ERROR | ||
| 30 | ); | ||
| 31 | return; | ||
| 32 | } | ||
| 33 | $this->_storage[$name] =& $ref; | ||
| 34 | } | ||
| 35 | |||
| 36 | /** | ||
| 37 | * Retrieves a variable reference from the context. | ||
| 38 | * @param string $name String name | ||
| 39 | * @param bool $ignore_error Boolean whether or not to ignore error | ||
| 40 | * @return mixed | ||
| 41 | */ | ||
| 42 | public function &get($name, $ignore_error = false) | ||
| 43 | { | ||
| 44 | if (!array_key_exists($name, $this->_storage)) { | ||
| 45 | if (!$ignore_error) { | ||
| 46 | trigger_error( | ||
| 47 | "Attempted to retrieve non-existent variable $name", | ||
| 48 | E_USER_ERROR | ||
| 49 | ); | ||
| 50 | } | ||
| 51 | $var = null; // so we can return by reference | ||
| 52 | return $var; | ||
| 53 | } | ||
| 54 | return $this->_storage[$name]; | ||
| 55 | } | ||
| 56 | |||
| 57 | /** | ||
| 58 | * Destroys a variable in the context. | ||
| 59 | * @param string $name String name | ||
| 60 | */ | ||
| 61 | public function destroy($name) | ||
| 62 | { | ||
| 63 | if (!array_key_exists($name, $this->_storage)) { | ||
| 64 | trigger_error( | ||
| 65 | "Attempted to destroy non-existent variable $name", | ||
| 66 | E_USER_ERROR | ||
| 67 | ); | ||
| 68 | return; | ||
| 69 | } | ||
| 70 | unset($this->_storage[$name]); | ||
| 71 | } | ||
| 72 | |||
| 73 | /** | ||
| 74 | * Checks whether or not the variable exists. | ||
| 75 | * @param string $name String name | ||
| 76 | * @return bool | ||
| 77 | */ | ||
| 78 | public function exists($name) | ||
| 79 | { | ||
| 80 | return array_key_exists($name, $this->_storage); | ||
| 81 | } | ||
| 82 | |||
| 83 | /** | ||
| 84 | * Loads a series of variables from an associative array | ||
| 85 | * @param array $context_array Assoc array of variables to load | ||
| 86 | */ | ||
| 87 | public function loadArray($context_array) | ||
| 88 | { | ||
| 89 | foreach ($context_array as $key => $discard) { | ||
| 90 | $this->register($key, $context_array[$key]); | ||
| 91 | } | ||
| 92 | } | ||
| 93 | } | ||
| 94 | |||
| 95 | // vim: et sw=4 sts=4 | ||